Gankunyu is a kind of Hetian jade with delicate texture, warm luster and ice purple. Gan Kunyu is called Hetian Jade, which is the most jade-like. It has a high market value and is regarded as a symbol of auspiciousness and luck. Jade is a specific jade variety, which is widely sought after because of its unique color and texture. Emeralds usually appear dark green or light green, or red and white. Emerald is widely used in jewelry making and is considered as a precious gem.